主题概念分析以及检索语言的表达方法。
The analyse of the theme concept and the expressing method of retrieval language.
介绍了检索语言，分析了检索语言在图书馆和检索系统中的应用，论述了分类和主题方法。
This paper introduces the retrieval language, analyzes on the application of the retrieval language in library and retrieval system, and discusses on the methods for the classification and subject.
论文分析了自然语言检索的弊端和主题检索在网络环境下的地位和作用。
This paper analyses the shortcomings of the natural language searching and the irreplaceable position and function of subject searching under the circumstances of network.
论文分析了自然语言检索的弊端和主题检索在网络环境下的地位和作用。
This paper analyses the shortcomings of the natural language searching and the irreplaceable position and function of subject searching under the circumstances of network.
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